US2835107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resins and use thereof
Assignee: Haveg Industries Inc
•
Filing: 1956-12-21
•
Granted: 1958-05-20
•
Expires: 1976-12-21
Abstract
No abstract record available.
Inventors
- 👤 John M Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:27
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/46; C04B41/48; C04B41/4811; F; F02; F02K; F02K9/00; F02K9/08; F02K9/32; F02K9/34; F02K9/346; F42; F42B; F42B15/00; F42B15/34; Y; Y10; Y10S; Y10S138/00; Y10S138/07; Y10S417/00; Y10S417/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
IN A ROCKET OF THE TYPE INCLUDING A DISCHARGE END AND AN INNER LINER FOR SAID DISCHARGE END, THE IMPROVEMENT COMPRISING SAID LINER BEING MADE OF A COMPOSITION COMPRISING INORGANIC FIBERS AND A THERMOSETTING SYNTHETIC
References Cited (Backward Citations)
US2383793A
Cited
US2572252A
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US2653920A
Cited
US2744043A
Cited
US2699036A
Cited
US2683667A
Cited
GB757890A
Cited
US2768408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |